Double sweep preconditioner for optimized Schwarz methods applied to the Helmholtz problem. - Alexandre Vion; Christophe Geuzaine (J. Comput. Phys., 2014)

GetDDM: An open framework for testing optimized Schwarz methods for time-harmonic wave problems. - Bertrand Thierry; Alexandre Vion; Simon Tournier; Mohamed El Bouajaji; David Colignon; Nicolas Marsic; Xavier Antoine; Christophe Geuzaine (Comput. Phys. Commun., 2016)